playful-learning.dk

📜 Historical scan 2026-06-20 00:57:46  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

playful-learning.dk is a .dk domain served by 2 nameservers (craig.ns.cloudflare.com, katja.ns.cloudflare.com). It was registered on 31 October 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.82.153 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is DNSSEC-signed but currently fails validation, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   36ms
NameserverIP addressesPTRASN / ISP
craig.ns.cloudflare.com 108.162.195.192
162.159.44.192
172.64.35.192
2606:4700:58::a29f:2cc0
2803:f800:50::6ca2:c3c0
2a06:98c1:50::ac40:23c0		 craig.ns.cloudflare.com
craig.ns.cloudflare.com
craig.ns.cloudflare.com
craig.ns.cloudflare.com
craig.ns.cloudflare.com
craig.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
katja.ns.cloudflare.com 108.162.194.53
162.159.38.53
172.64.34.53
2606:4700:50::a29f:2635
2803:f800:50::6ca2:c235
2a06:98c1:50::ac40:2235		 katja.ns.cloudflare.com
katja.ns.cloudflare.com
katja.ns.cloudflare.com
katja.ns.cloudflare.com
katja.ns.cloudflare.com
katja.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   55ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.82.153 600s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.158.238 600s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.82.153
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   35ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::6815:5299 600s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::ac43:9eee 600s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   35ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.82.153,172.67.158.238 ech=AEX+DQBBmQAgACAW2Zml2I0DYSJ6ZUQjSHgtTQ4aJ7FXZdhBDW7ShydAEAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5299,2606:4700:3033::ac43:9eee

🔌 SRV Records#

1 records   66ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

1 records   197ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (playful-learning.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

PolicyRecord (_dmarc.playful-learning.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-22 04:37:42
www104.21.82.153 172.67.158.238 2606:4700:3034::ac43:9eee 2606:4700:3035::6815:5299 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   154ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

79ms
CheckResult
Validation Status⚠️ Bogus
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsbroken trust chain resolving 'playful-learning.dk/DNSKEY/IN': 127.0.0.1#53

🏷️ SOA#

54ms
FieldValue
Serial2407022839
Primary NS (MNAME)craig.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-22 05:07:57
FieldValue
RegistrarSimply.com A/S
Registered2018-10-31
Expires2027-10-31 (373d)

🔗 Same registrant#

50 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
allebørnsdagtilbud.dkSimply.com A/S
bedreborneliv.dkSimply.com A/S
bedrebørneliv.dkSimply.com A/S
breakerspace.dkSimply.com A/S
campus-carlsberg.dkSimply.com A/S
campusnordsjaelland.dkSimply.com A/S
campusnordsjælland.dkSimply.com A/S
ceveu.dkSimply.com A/S
effektivslukning.dkSimply.com A/S
fclab.dkPunktum dk A/S (direct)
formålsdimensionerne.dkSimply.com A/S
forskningogforandring.dkSimply.com A/S
futureclassroom.dkSimply.com A/S
intrapol.dkSimply.com A/S
kbhprof.dkSimply.com A/S
kiol.dkSimply.com A/S
kpdk.dkSimply.com A/S
kpitin.dkSimply.com A/S
kurh.dkSimply.com A/S
lutek.dkSimply.com A/S
makecode.dkSimply.com A/S
matchpol.dkSimply.com A/S
momp.dkSimply.com A/S
musikprofilen.dkPunktum dk A/S (direct)
naturfagsakademiet.dkSimply.com A/S
navada.dkSimply.com A/S
omskoleborn.dkSimply.com A/S
paedagogtesten.dkPunktum dk A/S (direct)
phbibliotek.dkSimply.com A/S
praksishuset.dkSimply.com A/S
praksisoginnovationshuset.dkSimply.com A/S
professionsdebat.dkSimply.com A/S
professionskapacitet.dkONE.COM A/S
rusmateriale.dkSimply.com A/S
sammenompraktik.dkSimply.com A/S
sandboxkp.dkSimply.com A/S
skoereopfindelser.dkONE.COM A/S
skolegpt.dkSimply.com A/S
skolelederkonferencen.dkSimply.com A/S
søgsmart.dkSimply.com A/S
tekstilformidler.dkSimply.com A/S
tektjek.dkSimply.com A/S
ucc.dkSimply.com A/S
ucclive.dkSimply.com A/S
uccph.dkSimply.com A/S
ucoild.dkSimply.com A/S
uddannelseslaboratoriet.dkPunktum dk A/S (direct)
vejentilskolen.dkSimply.com A/S
videnomlaesevanskeligheder.dkWANNAFIND.DK A/S
videnomlaesning.dkWANNAFIND.DK A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
36ms
A
55ms
MX
39ms
AAAA
35ms
TXT
197ms
CAA
54ms
HTTPS
35ms
TLSA
154ms
SOA
54ms
MTA-STS
62ms
DNSSEC
79ms
SRV
66ms
Total
627ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 04:37:42 1661ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-14 05:43:01 1865ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-07 18:07:37 582ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-21 03:53:27 1785ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-11 00:48:57 1729ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-03 20:37:39 2976ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-27 09:52:41 598ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-24 19:07:40 887ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-23 18:28:57 3049ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-07 00:05:31 1518ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-12 23:55:39 968ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-01 02:41:24 1742ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-20 00:57:46 shown 627ms 2 NS 2 A 1 MX ⚠️ Bogus
2026-06-18 01:53:07 2814ms 2 NS 2 A 1 MX 🔓 Insecure
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